590 THE IRON" INDUSTRY. working for 60 cents a day in Liege does not do as much work as an American laborer receiving twice as much, but it does not follow that he is only half as efficient. A woman loading coke and ore buggies for 30 cents a day may not do the work done by a buggy-puller in Pittsburgh receiving six times as much pay, but it does <^ I101MND ASD BE16IUM , t , SCAUE OF Miuea , , STATISTICS OF PRODUCTIONi 7 Untt=>1000 Tons per Year. Distances are In Straight Lines. N FIG. XXVIII-A.